Home / 140,104.38-210,368.14-111,940.79

Finding the Fourth Proportional to 140,104.38, 210,368.14 and 111,940.79

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Solution

The fourth proportional to 140,104.38, 210,368.14 and 111,940.79 is: 168,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,104.38 : 210,368.14 = 111,940.79 : x
  2. Step 2: Convert to fraction form
    140,104.38/210,368.14 = 111,940.79/x
  3. Step 3: Cross multiply
    140,104.38x = 210,368.14 × 111,940.79
  4. Step 4: Simplify right side
    140,104.38x = 23,548,774,450.74
  5. Step 5: Solve for x
    x = 23,548,774,450.74/140,104.38
  6. Step 6: Final answer
    x = 168,080.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.